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ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@Tsjerk; In the paper that describes this method I am sure they reckoned that extraction was about 8 ...
22-6-2020 at 01:23
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@B.D.E.; I checked out some old chemical dictionaries and got some references to the nitration of to ...
21-6-2020 at 03:50
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@B.D.E.; very interesting results. The solid that separated when you diluted the reaction mxture; di ...
20-6-2020 at 03:11
by: Boffis
HI/P Halogenation agent - reductant?
No P is required in the conversion of alcohols to iodoalkanes, just HI. However, you can generated H ...
19-6-2020 at 04:24
by: Boffis
Preparing a chromatography column
@DavidJR, many thanks for this info. Yes my silica is Silica gel 60 and 70-230 mesh. I haven't decid ...
17-6-2020 at 02:49
by: Boffis
Preparing a chromatography column
I have never used column chromatography before but following a recent experiment in which I tried th ...
17-6-2020 at 01:44
by: Boffis
Cyclic diester from 2,2'-oxydibenzoic acid?
@michaljemco; Thankyou for posting details of your prep.

@myr; how different is this reaction to ...
16-6-2020 at 12:19
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
I would be interested to hear how you got on with the DCM solvated nitration. I have never tried it ...
16-6-2020 at 07:15
by: Boffis
Ammonium Bifluoride to Sodium Fluoride
Sodium fluoride is very sparingly soluble so simply dissolve your ammonium fluoride in water (very s ...
16-6-2020 at 00:31
by: Boffis
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@B.D.E; I am currently trying to prepare 2-amino-4-chlorophenol-6-sulphonic acid which is an azo dye ...
15-6-2020 at 12:37
by: Boffis
Cyclic diester from 2,2'-oxydibenzoic acid?
I would be interested in the procedure you used to prepare the acid. Can you give us a reference or ...
15-6-2020 at 10:01
by: Boffis
Help in Identifying a compound
[rquote=638164&tid=155566&author=mackolol][rquote=638149&tid=155566&author=Eddie Cur ...
12-6-2020 at 09:49
by: Boffis
Manganese ii and iii acetates
My MnIII acetate is orange brown microcrystalline clumpy powder and bought commecially but you need ...
12-6-2020 at 00:24
by: Boffis
Benzoin condensation using hydrogen cyanide?
@DavidJR; I have used the thiamine method numerous times on a wide variety of substrates. I have dis ...
8-6-2020 at 06:51
by: Boffis
mononitrophenols - nitration of phenol
Found it! sort of..

In the Urbanski reference above at the bottom of page 475 it states that p-ni ...
7-6-2020 at 09:51
by: Boffis
Iron sulfide experiment
[rquote=637781&tid=155541&author=Ubya]ferrous sulfide is quite stable, I doubt it oxidizes t ...
7-6-2020 at 06:52
by: Boffis
mononitrophenols - nitration of phenol
@S.C. Wack; Thats an interesting route from aniline, I have not heard of this route before and thats ...
7-6-2020 at 03:02
by: Boffis
mononitrophenols - nitration of phenol
Hi Fery, I've found the nitro via nitroso-o-cresol. Check out pages 16 and 54, its in two separate p ...
6-6-2020 at 02:17
by: Boffis
mononitrophenols - nitration of phenol
Have you thought of trying the nitrosation route? I read somewhere that simple phenolic nitro compou ...
5-6-2020 at 09:00
by: Boffis
mononitrophenols - nitration of phenol
Nice work Fery and a really comprehensive write-up. I have often looked at this preparation and shie ...
4-6-2020 at 13:51
by: Boffis
The Cannizzaro Reaction
Benzyl alcohol and the Cannizzaro Reaction

For my next act of heresy I’ll turn benzaldehyde int ...
4-6-2020 at 05:25
by: Boffis
The chemistry of Sorbic acid
Does any one have access to Reaxys or scifinder? I can't find any useful data on 2,5-dichloro-3-hexe ...
3-6-2020 at 02:06
by: Boffis
2,4-dihydroxybenzoic acid from resorcinol
You're welcome; looking at this paper tends to confirm my belief that if you can over-pressure the s ...
1-6-2020 at 12:32
by: Boffis
2,4-dihydroxybenzoic acid from resorcinol
@Chemi Pharma; like I said elsewhere there is not much in that book that isn't in Vogel and thats ea ...
1-6-2020 at 07:15
by: Boffis
will a trace of hydrogen cyanide catalyse the
The answer is no, it has to be CN- ions according to the mechanism I have seen.
1-6-2020 at 02:32
by: Boffis
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